WADR (treaty)WTachographWArab Mashreq International Road NetworkWAsian Highway NetworkWCape Town TreatyWGeneva Convention on Road TrafficWIntergovernmental Organisation for International Carriage by RailWPan-American HighwayWTIR ConventionWVienna Convention on Road Signs and SignalsWVienna Convention on Road TrafficWTreaty of Zonhoven
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